Pricing Units, Proprietary Limits & Migration Complexity
The operational fine print U.S. SaaS founders and small business owners check before committing.
| Evaluation Dimension | Cursor | Proton Lumo |
|---|---|---|
| Starting Price & Billing Unit How your monthly bill scales | Free Hobby / $20/seat/mo Pro Per Developer Seat + Fast Requests | Free / $14/mo Business Cloud Plan Developer Seat / Credits |
| Free Tier & Included Quotas Sandbox vs production allowance | Hobby Free: 2,000 completions & 50 slow premium requests trial | Proton Lumo Free / Starter Plan tier (core ai coding & developer tools capabilities); Business Cloud Plan upgrades start at $14/mo |
| Proprietary Limits & Gotchas Caps, lock-in & overage cliffs | Pro ($20/mo) includes $20 frontier model usage pool + unlimited Tab; Business ($40/seat) enforces zero-data-retention org policy | Proton Lumo tier notes — Flat-Rate Small Business Pricing: Transparent SMB pricing; Full API & Webhooks: Cloud API & integrations |
| Migration Complexity Engineering & ops switching effort | Low (< 30 mins) 1-click import of all VS Code extensions, keybindings, themes, and settings | Low (< 30 mins) Configure Proton Lumo (Flat-Rate Small Business Pricing, Full API & Webhooks) and import existing ai coding & developer tools records |
| Target Company Stage Best operational fit | Solo Builders to 500+ Eng Teams | Solo Founders & AI Coding & Developer Tools SMBs |
| Data Privacy & Compliance U.S. & enterprise governance | SOC 2 Type IIPrivacy Mode (Zero Retention)Local VS Code Fork | GDPR / CCPA ReadyFlat-Rate Small BusinessTransparent USD Pricing |
Interactive Team Seat & ROI Simulator
Adjust your team headcount to compare real monthly and annual licensing costs.
Cursor: Per Developer Seat + Fast Requests
Proton Lumo: Developer Seat / Credits
Estimated Annual Savings with Proton Lumo: $360/yr
Saves ~30% annually at this workload tier based on published USD rates.
Technical Capability Matrix
Side-by-side feature, API, and data-ownership checklist.
| Feature Specification | Cursor | Proton Lumo |
|---|---|---|
| Keyboard-First Command Bar productivity | Supported Full local codebase embedding index | Not Included |
| Native Dark Mode ui | Supported Native VS Code dark themes | Not Included |
| Flat-Rate Small Business Pricing pricing | Not Included | Supported Transparent SMB pricing |
| Full API & Webhooks developer | Not Included | Supported Cloud API & integrations |
Official Published USD Pricing Tiers
Verified plan structure for Cursor and Proton Lumo.
Cursor Plans USD Verified
Hobby (Free)
monthly
Pro
monthly
Business (per seat)
monthly
Proton Lumo Plans USD Verified
Free / Starter Plan
monthly
Business Cloud Plan
monthly
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Frequently Asked Questions
Key pricing, quota, migration, and security answers for Cursor vs Proton Lumo.
What is the main difference between Cursor and Proton Lumo in 2026?
Cursor (Free Hobby / $20/seat/mo Pro, billed by per developer seat + fast requests) is best suited for: Professional engineers wanting local repo speed, instant Tab predictions, and multi-file agentic Composer. By contrast, Proton Lumo (Free / $14/mo Business Cloud Plan, billed by developer seat / credits) is best for: Alternative to Claude, ChatGPT, Gemini — Privacy-first AI assistant with zero-access encryption that doesn't track or re
How do Cursor and Proton Lumo compare on free tiers and USD pricing?
Cursor: Hobby Free: 2,000 completions & 50 slow premium requests trial. Proton Lumo: Proton Lumo Free / Starter Plan tier (core ai coding & developer tools capabilities); Business Cloud Plan upgrades start at $14/mo. Always compare based on your real workload metric (Per Developer Seat + Fast Requests vs Developer Seat / Credits) rather than headline base tier alone.
What proprietary feature limits or overages should founders watch out for?
On Cursor: Pro ($20/mo) includes $20 frontier model usage pool + unlimited Tab; Business ($40/seat) enforces zero-data-retention org policy. On Proton Lumo: Proton Lumo tier notes — Flat-Rate Small Business Pricing: Transparent SMB pricing; Full API & Webhooks: Cloud API & integrations.
How difficult is migrating from Proton Lumo to Cursor, and what compliance is supported?
Estimated migration effort to Cursor is Low (< 30 mins) (1-click import of all VS Code extensions, keybindings, themes, and settings). Security & data governance signals for Cursor include SOC 2 Type II, Privacy Mode (Zero Retention), Local VS Code Fork, while Proton Lumo offers GDPR / CCPA Ready, Flat-Rate Small Business, Transparent USD Pricing.
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